Re: Emacs and Gnome Canvas

[Jan Djärv]

YAMAMOTO Mitsuharu skrev 2010-07-17 10.38:
> > > > > > On Sat, 17 Jul 2010 10:33:08 +0200, Jan Djärv<address@hidden>  said:
>
> > > The whole area, or divide the updated area to some collection of
> > > rectangles?  The former is too inefficient for small updates.
>
> > No it is not, this is how Gtk+ operates all the time, even for small
> > updates.
>
> Isn't GTK+ using the model I've been saying, i.e., drawing only in
> respose to exposure, especially when using cairo?

Gtk+ (or rather Gdk) makes a syntetic expose event.  But if you have a small 
change, it will do it just for that small change, the same it does for big 
changes.

        Jan D.